I'm asking this before I start trouble shooting hoping someone might know something that will save me some time
I'm doing an swap into a gas w250.
Ok I put a 91.5 d250 cummins engine bay wire harness in a 90 W250 gas truck.
I left the steering column from the 90' in and also the harness connection point (where you bolt the harness into the firewall).
But I get nothing when I turn the key.
So my question is do have a compatibility issue between the engine bay cummins harness and the firewall-back gas truck harness?
Cummins harness compatibility QUESTION
Moderators: Greenleaf, BC847, Richie O
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Cummins harness compatibility QUESTION
by Collers9640 » Wed Jan 07, 2015 6:57 am
77’ W200 Cummins- Auto, BHAF, 4” Exhaust
91.5 W250 Cummins Conversion- PS I/C, pump maxed, Red Oak Diesel Injectors, Coolertubz, pump advanced 1/8", 3" elbow, 3200 Spring, Piston Lift Pump, KDP fixed, DennyT pin, HX35, 4in Downpipe, BHAF, Heater Grid Delete, Alcan springs, Bilstein Shocks
1984 D350 Crew Cab (Future Cummins Project)
91.5 W250 Cummins Conversion- PS I/C, pump maxed, Red Oak Diesel Injectors, Coolertubz, pump advanced 1/8", 3" elbow, 3200 Spring, Piston Lift Pump, KDP fixed, DennyT pin, HX35, 4in Downpipe, BHAF, Heater Grid Delete, Alcan springs, Bilstein Shocks
1984 D350 Crew Cab (Future Cummins Project)
- Collers9640
- fuel screw!!!!
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Re: Cummins harness compatibility QUESTION
by Richie O » Wed Jan 07, 2015 8:59 pm
Different. the diesels have some electronic circuits the gassers don't. A factory service manual for each year and option should show a pin difference. Easiest thing would be to put the dash panel and wiring harness from the donor truck. Easier said then done I will admit.
1989 W250 727, 3.07 L/S, S300, P/S Intercooler, Stans exaust, Pump adjustments, 127k miles,297 hp
1993 W250 extended cab, rag, 4.10 l/s, 6x16's, HTT 62/71/14 piston l/p, Isspro EV series tach, fuel pressure, boost, oil pres, water temp, volt, pryo, 132k/ 301 hp
1992 W250 with NV4500, 3.54's, 16cm 60mm GDS H1C, ground stock cone, Isspro tach, pryo, boost, fuel pressure, slow, rusty, dented,180k
1993 W250 extended cab, rag, 4.10 l/s, 6x16's, HTT 62/71/14 piston l/p, Isspro EV series tach, fuel pressure, boost, oil pres, water temp, volt, pryo, 132k/ 301 hp
1992 W250 with NV4500, 3.54's, 16cm 60mm GDS H1C, ground stock cone, Isspro tach, pryo, boost, fuel pressure, slow, rusty, dented,180k
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Richie O - Administrator
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